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    CT Scan

    Services performed at:  Lennon Rd-FlintFentonGrand Blanc, Royal Oak, Novi and Southgate

    Commonly referred to as a “CT Scan” or “CAT scan,” computed tomography uses X-rays to create highly detailed images of internal organs. Since CT scanners are capable of rotating the X-ray device, they can image detailed cross sections, called “slices,” of areas of the body. Unlike images from conventional X-rays, CT shows details of all tissues including organs, bones, blood vessels, etc.

    CT is used frequently to image the abdomen, body, head, or spine. Your physician may order a CT scan to screen for a variety of conditions, including heart disease, sinus problems, certain types of cancer or tumors, or disorders of internal organs.

    For some patients with a history of heavy smoking, CT may also be recommended for lung cancer screening. For patients with suspected heart disease, RMI also provides an exam called coronary CT for cardiac scoring.

    Preparing for CT

    Spine or Extremities:

    • No prep necessary

    Head or Chest:

    • Nothing to eat two hours prior to the exam. Can drink up to exam time.
    • You may take your normal medications EXCEPT medications containing Metformin.

    Abdomen or Pelvis:

    • You will be given a liquid contrast material called Readi-CAT to drink — half at bedtime the night before your exam, and the remaining half two hours before your exam
    • Nothing to eat or drink three hours before the exam, except Readi-CAT
    • You will be given an additional dose of Readi-CAT just prior to the exam

    Medical Radiation Safety

    The radiation dose from a CT scan is considered to be in the “low-level radiation” category. However, since CT scans require more radiation than other types of imaging exams, RMI is committed to managing radiation dose for patient safety, under the principles of the Image Gently program for pediatric patients and the Image Wisely program for adults.

    Resources